Custom Role Based Badge

/**
 * Register Custom Reference
 * This will allow us to create a badge for Founders
 * @version 1.0
 */
add_filter( 'mycred_all_references', 'mycred_pro_add_custom_ref' );
function mycred_pro_add_custom_ref( $references ) {

    $references['founder'] = 'Founder';
    return $references;

}

/**
 * Assign Custom Badge
 * Intercepting the Assign Badge AJAX call, we check
 * if this is our custom badge, and if it is, assign it to
 * all subscribers.
 * @version 1.1
 */
add_action( 'wp_ajax_mycred-assign-badge', 'mycred_pro_assign_custom_badge', 1 );
function mycred_pro_assign_custom_badge() {

    check_ajax_referer( 'mycred-assign-badge', 'token' );

    $badge_id = absint( $_POST['badge_id'] );
    $requirements = mycred_get_badge_requirements( $badge_id );
    if ( ! empty( $requirements ) ) {
        $count = 0;
        foreach ( $requirements as $level => $needs ) {
            if ( isset( $needs['reference'] ) && $needs['reference'] == 'founder' ) {

                // Get all subscribers
                $users = get_users( array(
                    'role'   => 'subscriber',
                    'fields' => array( 'ID' )
                ) );

                // If we have users loop through and award this badge to the users
                if ( ! empty( $users ) ) {
                    foreach ( $users as $user ) {
                        mycred_update_user_meta( $user->ID, 'mycred_badge' . $badge_id, '', 1 );
                        $count ++;
                    }
                }

                // No need to loop
                break;

            }
        }

        if ( $count > 0 )
            wp_send_json_success( sprintf( '%d Users earned the founder badge.', count( $count ) ) );

    }

}